Donald produces nails at a cost of $200 per ton. If he sells the nails for $350 per ton, his producer surplus per ton is

The idea that anticipated monetary policy changes cannot affect real GDP or employment is known as

A) the systematic policy hypothesis. B) the policy irrelevance theorem. C) the policy relevance theorem. D) the Keynesian hypothesis.

Between 1989 and 1994 the poverty rate went _____.

A. down substantially B. down slightly C. up slightly D. up substantially